Sergio Martino directs this ItaIian horror starring Suzy KendaIl and Tina Aumont. Two colIege girls are butchered by a masked kilIer who Ieaves a scarf at the scene. A cIassmate of the dead girls has seen the scarf before - but where? Her attempts to track down the cuIprit become more urgent as the hacksaw-wielding maniac sets about a kiIIing spree across the ltaIian countryside.